Consolidated Balance Sheet (Unaudited) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Accounts receivable - customers, allowance for uncollectible accounts	$ 63	$ 62
Other receivables, allowance for uncollectible accounts	7	5
Non-utility property, accumulated depreciation	296	275
Intangible assets, accumulated amortization	53	29
CECONY
Accounts receivable - customers, allowance for uncollectible accounts	58	57
Other receivables, allowance for uncollectible accounts	6	3
Non-utility property, accumulated depreciation	$ 25	$ 25